Book excerpt: Searching the Grey Literature is for librarians interested in learning more about grey literature. If you have ever been asked for a grey literature search but didn’t know where to start, this book will help you craft your search successfully. If you are an expert searcher but find that your library patrons are unfamiliar with the vast body of grey literature, this book may be a useful teaching aid. Those that are both new arrivals and established professionals in the field of librarianship will learn much about grey literature from reading this book, and hopefully acquire new search skills and knowledge. Although a wide range of different types of librarians or information professionals may find the content of this book useful, those working in the areas of health or social science will benefit the most from the book’s content. Searching the Grey Literature discuss different aspects of grey literature, including an introduction to grey literature, the value of grey literature, search sources for grey literature and how to conduct needs assessment before beginning a grey literature search. Search techniques for identifying grey literature documents, selecting and evaluating grey literature search sources and best searching practices are also discussed in detail.